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ASME sec II materials part b

The Discovery of Type II Superconductors Part 1 pdf

The Discovery of Type II Superconductors Part 1 pdf

... [Ar]3d104s24p3 +III, +V +III, +V +I, +II, +III +II, +III, +IV, +V +III, +V +II, +IV +II, +III, +IV +I, +III +IV, +V, +VI [Xe]4f145d106s26p3 [Ar]3d104s1 [Ar]3d64s2 [Kr]4d35s2 [Xe]4f145d106s26p2 ... Ba1 - xKxBiO3 (8) BiSrCaCu2O6 + x (9) Tl2Ba2Ca2Cu3O9 + x (10 ) HgBa2Ca2Cu3O8 + x (11 ) NdFeAsO1-x Year 19 33 19 67 19 73 19 75 19 86 19 87 19 88 19 88 19 88 19 93 2008 TC 1. 5 6.0 1. 2 13 30 90 30 10 5 11 0 13 0 ... For the other elements in Table 3, we have considered the following stable oxidation states: La(+III), Y(+III), Ba( +II) , Sr( +II) , Bi(+III), Ca( +II) , Tl(+III), Hg( +II) and O( -II) We verify that the...
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The Discovery of Type II Superconductors Part 2 pot

The Discovery of Type II Superconductors Part 2 pot

... of the applied field for Type I and Type II superconductors; (b) The reversible magnetization curve of a long cylinder of Type I and Type II superconductor (After De Gennes, 1966) In Type II superconductors ... (Аbrikosov, 1957), the idea about the alloys turning into Type II superconductors at the value of the parameter æ > 1/ was first brought forward by L.D.Landau The Discovery of Type II Superconductors ... parallel to the surface in the interval Hc2 < H ...
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The Discovery of Type II Superconductors Part 4 potx

The Discovery of Type II Superconductors Part 4 potx

... profile which contains the p -type SiQW confined by the δ-barriers heavily doped with boron on the n -type Si (100) surface The value of the critical temperature, Tc= 145 K, the estimations of the ... confine the p -type Si-QW on the n -type Si (100) surface (a) – 77 K; (b) – 4. 2 K Fig 13 Uxx vs the value of the magnetic field applied perpendicularly to the plane of the ptype Si-QW confined by the ... value at the temperature of 145 K The creation of the additional peak when the resistance begins to fall down seems to be evidence of the superconductor properties caused by the transfer of the small...
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The Discovery of Type II Superconductors Part 6 doc

The Discovery of Type II Superconductors Part 6 doc

... scattering properties are the direct reflection of the phonon behavior of MgB2 The parameters of Raman spectra vary with the composition of MgB2 crystals and the influence of their surroundings, which ... on both the connectivity and the disorder of the samples Furthermore, the disorder should be considered as composed of intrinsic and extrinsic parts based on their different sources The crystallinity ... Superconducting Properties of Carbonaceous Chemical Doped MgB2 117 al., 2006a) The Jc performance of different types of CNT doped MgB2 is in agreement with the Hc2 shown in Fig Fig The Hc2 of different CNT...
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The Discovery of Type II Superconductors Part 7 pptx

The Discovery of Type II Superconductors Part 7 pptx

... (S) of 57Fe subspectra in the Mössbauer spectra of YBa2(Cu0.97Fe0.03)3O7−δ samples (Jin et al., 19 97) To analyze these observations the correspondence between 57Fe crystallographic sites and the ... of the projectile with the sample and the range of particles in the sample In case of HTSC Bi-cuprates, the purpose was to investigate the knock-out of oxygen caused by particle irradiation and ... For a particular irradiation, d.p.a is proportional to the fluence or dose of irradiation Moreover, it depends on the energy and the nature of the projectile as well as the atomic number of the...
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The Discovery of Type II Superconductors Part 8 pot

The Discovery of Type II Superconductors Part 8 pot

... slowly in case of B implying lower slope of Jc-B curve for sample B The lower values of the exponents k and m of the irradiated sample show that there is reduction of the distance of the pinning ... right side In the case of 1.5 A only two fringes are observed, they appear at t=20s and they remain constant during the rest of the pulse In the case of a current of 2.5 A, the number of fringes ... originated during the texturing process, were concentrated 29.0 Resistance (mΩ) 28. 8 2,5 A 28. 6 2A 28. 4 1,5 A 28. 2 28. 0 27 .8 1A 10 20 30 40 t (s) 50 60 70 80 Fig Time dependence of the Bi-2212 monolith...
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The Discovery of Type II Superconductors Part 9 potx

The Discovery of Type II Superconductors Part 9 potx

... d211 is the average size of the RE-211 particles (Murakami 199 1), Sandiumenge et al., 199 7) According to another model, this dependence is V211/√d211 (Zablotskii 2002) In both cases, the particle ... Besides the rather large precipitate of NEG-211 seen in the right figure, two types of nanoparticles appear in the product, one within the size range 200-500 nm and another one of 20-50 nm size The ... deformation of 2.2 μm (8 fringes) and a minimum one of approximately 0.56 μm (2 fringes) in the right part of the sample In the rest of the images, the sample deformation leads to the expected...
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The Discovery of Type II Superconductors Part 10 ppt

The Discovery of Type II Superconductors Part 10 ppt

... alignment of the regions and/or pores of the size larger than the resolution Further development of the technique and improvement of the resolution is expected to show more details inside the macroscopic ... (except the presence of C entering the lattice of the MgB2 phase) or phases (such as Fe2B) in the MgB2 final bulk meaning that, if they are present, these elements are below the detection limit of these ... B1 B2 B3 B4 < 10 nanometer size particles Fig 17 The elemental content in the new nanoparticles in the material from Fig 16 Note the significant amount of Nb in all nanoparticles The last NEG-123...
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The Discovery of Type II Superconductors Part 11 pot

The Discovery of Type II Superconductors Part 11 pot

... study the Figure of merit of the ceramic superconductors One of the important thermomagnetic transport quantities is the electrothermal conductivity and is shown to be one of the powerful probes of ... was reported that the superconducting properties of these materials are affected with increase of the amount of doping, regardless of the nature of the dopants The repression of superconductivity ... as a function of temperature for the sample after each sintering step One of the most striking features about the cuprate superconductors is the behavior of the resistivity of the normal state...
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The Discovery of Type II Superconductors Part 12 docx

The Discovery of Type II Superconductors Part 12 docx

... size of the superconductors and the length of the c-axis of the unit cell of the system are highly effective on both of the first and second chaotic points of the superconducting system The mercury ... analysis of temperature dependence of magnetization The concept of chaos can be defined as the transition from one state of being to another state of being where the probability density of the system, ... breaking of the 278 Superconductor time reversal symmetry is related to the orbital magnetism The origin of the PME has been estimated by the reversion mechanism of the direction of the orbital...
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